AK4641 Datasheet, PDF (41/51 Pages) Asahi Kasei Microsystems – 16 BIT CODEC WITH BLUETOOTH INTERFACE

ASAHI KASEI
[AK4641]
Addr
06H
Register Name
DAC Control
R/W
Default
D7
D6
D5
D4
D3
D2
0
TM SMUTE DATTC
0
EQ
RD
R/W
R/W
R/W
RD
R/W
0
0
0
1
0
0
DEM1-0: De-emphases response (See Table 12.)
EQ: Select 5 Band Equalizer.
0: OFF (Default)
1: ON
DATTC: DAC of Stereo CODEC Digital Attenuator Control Mode Select
0: ATTL6-0 and ATTR6-0 bits control attenuator level of Lch and Rch respectively.
1: ATTL6-0 bits control both Lch and Rch at same time. (Default)
When DATTC bit = “1”, the value of ATTR6-0 does not change.
SMUTE: Soft Mute Control
0: Normal Operation (Default)
1: DAC outputs of Stereo CODEC soft-muted
TM: Soft Mute and DATT Transition Time Select (See Table 15.)
D1
DEM1
R/W
0
D0
DEM0
R/W
1
Addr
07H
Register Name
MIC Control
R/W
Default
D7
D6
D5
D4
D3
D2
0
0
AUXAD MPWRE MPWRI MICAD
RD
RD
R/W
R/W
R/W
R/W
0
0
0
0
0
1
MGAIN: 1^st Mic Amp Gain control
0: OFF. 0dB
1: ON. +20dB (Default)
MSEL: Microphone select
0: Internal Mic (Default)
1: External Mic
MICAD: Switch Control from Mic In to ADC of Stereo CODEC
0: OFF
1: ON (Default)
MPWRI: Power Supply Control for Internal Microphone
0: OFF (Default)
1: ON
MPWRE: Power Supply for External Microphone
0: OFF (Default)
1: ON
D1
MSEL
R/W
0
D0
MGAIN
R/W
1
MS0301-E-00
- 41 -
2004/05